Flooding in Immokalee, Fla., after Hurricane Irma hit was still present days afterward. Public health officials say that even after waters recede, issues such as mold and mosquitos can remain.Meredith Rizzo/NPRhide caption

"I'd lost 60 pounds in the years since my passport picture had been taken and I hardly looked like myself," writes author Haroon Moghul. "Each time I approached a border, I feared I'd be denied a visa or, worse, deported."Mark Airs/Ikon Images/Getty Imageshide caption

From left, Bill Wanlund of the Falls Church electoral board, Jessica Wilson of voting machine company Hart InterCivic and David Bjerke, the Falls Church director of elections test the city's new voting machines ahead of this November's election.Pam Fessler/NPRhide caption

Piper Su, seen here with her son, Elliot, lives in Alexandria, Va. She has registered with several transplant centers in hopes of increasing the odds of getting an organ.Courtesy of Piper Suhide caption

Cars sit along the street in Houston following Hurricane Harvey on Aug. 30. Car rental companies made preparations to move vehicles into affected areas even before the storm hit.Scott Olson/Getty Imageshide caption